19279910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3449}}^1$

素因数の和:3512

約数の個数: 32

約数和(自身を含む): 38253600

約数和(自身を除く): 18973690

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 3449, 5590, 6898, 17245, 34490, 44837, 89674, 148307, 224185, 296614, 448370, 741535, 1483070, 1927991, 3855982, 9639955, 19279910]

約数ペア:

[(1, 19279910), (2, 9639955), (5, 3855982), (10, 1927991), (13, 1483070), (26, 741535), (43, 448370), (65, 296614), (86, 224185), (130, 148307), (215, 89674), (430, 44837), (559, 34490), (1118, 17245), (2795, 6898), (3449, 5590)]